overimpress
verb
over·im·press ˌō-vər-im-ˈpres 
overimpressed; overimpressing
transitive + intransitive
: to impress (someone or something) to an excessive degree
especially : to give (someone) an extremely or unduly favorable impression (see impression sense 1a)
… I don't feel like I'm overdoing anything, or trying to overimpress the coaches. 
Laurence Maroney
Laurence Maroney a candidate who didn't overimpress
He writes about real people and real situations, never trying to overthink or overimpress with lofty wordiness. Mario Tarradell
—often used in passive constructions Mario Tarradell … a flawed man overimpressed by his own intelligence. Sue Turnbull Often we see that a trainee is overimpressed with the ideas of the supervisor. Luigi Boscolo I haven't been overimpressed with unoaked chardonnays from Australia, … but this one delivers. Beppi Crosariol The appeals court was provided with a videotape of the three dancers dancing …. The judges were not overimpressed. William O'Rourke
Sue Turnbull Often we see that a trainee is overimpressed with the ideas of the supervisor. Luigi Boscolo I haven't been overimpressed with unoaked chardonnays from Australia, … but this one delivers. Beppi Crosariol The appeals court was provided with a videotape of the three dancers dancing …. The judges were not overimpressed. William O'Rourke 
Word History
First Known Use
1836, in the meaning defined above